Home / 30,196.28-45,279.94-11,207.88

Finding the Fourth Proportional to 30,196.28, 45,279.94 and 11,207.88

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Solution

The fourth proportional to 30,196.28, 45,279.94 and 11,207.88 is: 16,806.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,196.28 : 45,279.94 = 11,207.88 : x
  2. Step 2: Convert to fraction form
    30,196.28/45,279.94 = 11,207.88/x
  3. Step 3: Cross multiply
    30,196.28x = 45,279.94 × 11,207.88
  4. Step 4: Simplify right side
    30,196.28x = 507,492,133.93
  5. Step 5: Solve for x
    x = 507,492,133.93/30,196.28
  6. Step 6: Final answer
    x = 16,806.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.